Only if you can stomach the idea of spending more for less. Sure, packaged protein drinks are a convenient alternative to mixing them up at home, but you’ll end up spending about twice the price for that luxury, says nutrition advisor Alan Aragon. Plus, the grab-and-go kinds often contain artificial colours, preservatives and thickening agents, none of which are going to help you build muscle. You’re better off making your shakes from scratch, using a powder that lists whey protein concentrate and whey protein isolate as the top two ingredients, says Aragon. Here are three of his minimalist formulas for maximum muscle.